FLU, FEVER, VOMITING, DIARRHEA: 1  If your symptoms include fever and / or vomiting, contact your doctor. The strains of flu this season can be life threatening. 2  If you are vomiting, don't eat or drink for up to 1 hour after the latest instance. Then try 2 ounces of water or flat lemon-lime carbonated beverages.
GI Motitility In the Stomach. 1  Two types of movement (motility) occur in the stomach: peristalsis and segmentation (mixing). 2  The contractions occur about every 20 seconds and proceed from the body of the stomach toward the pyloric sphincter. 3  About 20% of the contractions in the stomach are peristaltic waves.
The functions of peristalsis and segmentation are different. Peristalsis-Propels the contents of the lumen onward, one way motion, moves food through a sphincter into the stomach, symmetrical contraction and relaxation of muscles, occurs in all parts of the GI.he functions of peristalsis and segmentation are different. Peristalsis-Propels the contents of the lumen onward, one way motion, moves food through a sphincter into the stomach, symmetrical contraction and relaxation of muscles, occurs in all parts of the GI.